Hi Bjorn,
What do you expect this
{self.Branches:dest_id,self.Nodes:dest_id2}
would result in? It doesn't look like python to me but I might be
missing something.
What does the variable self.Branches contain?
"self" Refers to your Branches_Nodes class itself.
(By the way, it is a good habit to start variable names with a lower
case character.)
Regards,
Raymond
On 30-01-19 17:40, Bjørn Burr Nyberg wrote:
Dear QGIS community,
In the spirit of open-source I am trying to convert a set of scripts that ive
designed in ArcMap to QGIS 3.x. I hope that this will enable a broader
community of individuals to use the workflows ive designed. The original
scripts can be found at
https://github.com/BjornNyberg/NetworkGT/tree/master/Scripts
My problem is that in my first attempt to convert the scripts, QGIS either
crashes or gives the following error.
2019-01-30T16:51:27 WARNING Traceback (most recent call last):
File
"C:/PROGRA~1/QGIS3~1.4/apps/qgis/./python/plugins\processing\gui\AlgorithmDialog.py",
line 238, in on_complete
self.feedback.pushInfo(self.tr('Execution completed in {0:0.2f}
seconds').format(time.time() - start_time))
NameError: free variable 'self' referenced before assignment in
enclosing scope
I have established that this error occurs at the very end of the script when
calling ' return {self.Branches:dest_id,self.Nodes:dest_id2}'. I do not believe
that I have explicitly defined self anywhere in the processAlgorithm function
itself. The algorithms themselves work as intended and the shapefiles are
created before the program crashes.
I am not a programmer by trait so I'm not entirely sure how to problem solve
this error and any help would be most appreciated. I can also provide a test
dataset if that is helpful.
Cheers,
Bjorn
-----------------------------
Postdoctoral Fellow
Department of Earth Science, University of Bergen
PO Box 7803, 5020, Bergen, Norway
+47 485 024 08
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